Cardiff Blues welcome the Scarlets to the Arms Park for tonight's derby in the RaboDirect Pro12.
The Scarlets, currently second in the league, will be looking to earn points to retain their position.
Tottenham Hotspur have beaten Swansea 1-0 at White Hart Lane.
To find out more about the game visit ITV Sport.
Exeter have beaten the Scarlets 30-20 in this afternoon's Heineken Cup match.
After a week where Dan Biggar's future as Wales' outside-half has been the talking point of Welsh rugby, the Ospreys number ten did his international chances no harm this afternoon.
He knocked up twelve points with the boot, in a match where French giants Toulouse looked unusually jaded.
The Ospreys needed a win to keep their hopes of a quarter-final spot alive, one victory in this season's Heineken Cup the only thing they had to crow about.
But Toulouse indiscipline was to let them down at the Liberty Stadium...two yellow cards and left with fourteen men on sixty minutes...they couldn't stop Eli Walker cracking the defence and scoring a crucial try to give the Ospreys some hope of reaching the last eight.
In the second round of the FA Trophy Wrexham took on Solihull Moors at the Racecourse. Despite being down for the much of the game, Wrexham fought back to win by three goals to two.
The Bluebirds were looking to extend their lead at the top, but shock at the Cardiff City Stadium. They suffered a defeat by two goals to one.
The Blues have made two late changes ahead of this evening's game against Montpellier with Lou Reed and Marc Breeze withdrawing from the squad
Macauley Cook moves from the bench to start in the second row for tonight's Heineken Cup match against Montpellier instead of Reed.
Luke Hamilton moves onto the bench at number 19 in his place. Marc Breeze leaves the bench and is replaced by Kristian Dacey at 16.
GB Taelwondo's first ever Olympic gold medallist Jade Jones has had another memorable week after she received an award as taekwondo's Olympic athlete of the year.
It completed a hat-trick of honours for the Manchester based 19-year-old who modestly dedicated her award to coach Paul Green.
"I couldn't have done it without PG," smiled the London 2012, -57kg champion. "But even though I have a gold medal, the hard work is still to come.
Swansea have beaten Middlesbrough 1-0 in the Capital One Cup Quarter-Final.
Seb Hines scored an own goal in the 80th minute putting the Swans in the lead.